Here are some examples of Oracle alter table syntax to modify data columns and note that you can add constraints like NOT NULL: ALTER TABLE customer MODIFY (cust_name varchar2(100) not null, cust_hair_color varchar2(20)) ;
Did Sir Isaac Newton write any books? His best known book is Principia (Philosophiae Naturalis Principia Mathematica) published in 1687; which includes his laws of motion. Edit
There is no truth at all to the Isaac Newton theory, he wrote. Fig Newtons had been introduced in 1891 by the Kennedy Biscuit Company, one of a number of regional bakeries that merged in 1898 to form the National Biscuit Company, later known as Nabisco.